[PATCH 04/39] blk-mq: initialize resid_len

Christoph Hellwig
2014-03-17T13:27:37Z

[-- Attachment #1: 0004-blk-mq-initialize-resid_len.patch --]
[-- Type: text/plain, Size: 532 bytes --]

Signed-off-by: Christoph Hellwig <hch@lst.de>
---
block/blk-mq.c | 2 ++
1 file changed, 2 insertions(+)

diff --git a/block/blk-mq.c b/block/blk-mq.c
index d81dc8b..e3284f6 100644
--- a/block/blk-mq.c
+++ b/block/blk-mq.c
@@ -350,6 +350,8 @@ static void blk_mq_start_request(struct request *rq, bool last)

trace_block_rq_issue(q, rq);

+ rq->resid_len = blk_rq_bytes(rq);
+
/*
* Just mark start time and set the started bit. Due to memory
* ordering, we know we'll see the correct deadline as long as
--
1.7.10.4